“This can be a problem, since even on small bite of a product containing milk can cause a dangerous reaction in so0me individuals,”

Dark chocolate has long been heralded as a way to enjoy delicious chocolate flavor sans milk. But the FDA test of more than 100 dark chocolate bars revealed that many of them contained undeclared milk.

“Consumers need to know that chocolate may contain heavy metals,” said Eleanne van vliet, MPH, As You Sow’s toxic chemical research director. “Since lead and cadmium accumulate in the body over time, even small amounts should be avoided.”